| /* |
| * Support for Intel Camera Imaging ISP subsystem. |
| * Copyright (c) 2015, Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| */ |
| |
| #include "ia_css_types.h" |
| #include "sh_css_defs.h" |
| #include "ia_css_debug.h" |
| #include "isp.h" |
| |
| #include "ia_css_ob.host.h" |
| |
| const struct ia_css_ob_config default_ob_config = { |
| IA_CSS_OB_MODE_NONE, |
| 0, |
| 0, |
| 0, |
| 0, |
| 0, |
| 0 |
| }; |
| |
| /* TODO: include ob.isp.h to get isp knowledge and |
| add assert on platform restrictions */ |
| |
| void |
| ia_css_ob_configure( |
| struct sh_css_isp_ob_stream_config *config, |
| unsigned int isp_pipe_version, |
| unsigned int raw_bit_depth) |
| { |
| config->isp_pipe_version = isp_pipe_version; |
| config->raw_bit_depth = raw_bit_depth; |
| } |
| |
| void |
| ia_css_ob_encode( |
| struct sh_css_isp_ob_params *to, |
| const struct ia_css_ob_config *from, |
| const struct sh_css_isp_ob_stream_config *config, |
| unsigned size) |
| { |
| unsigned int ob_bit_depth |
| = config->isp_pipe_version == 2 ? SH_CSS_BAYER_BITS : config->raw_bit_depth; |
| unsigned int scale = 16 - ob_bit_depth; |
| |
| (void)size; |
| switch (from->mode) { |
| case IA_CSS_OB_MODE_FIXED: |
| to->blacklevel_gr = from->level_gr >> scale; |
| to->blacklevel_r = from->level_r >> scale; |
| to->blacklevel_b = from->level_b >> scale; |
| to->blacklevel_gb = from->level_gb >> scale; |
| to->area_start_bq = 0; |
| to->area_length_bq = 0; |
| to->area_length_bq_inverse = 0; |
| break; |
| case IA_CSS_OB_MODE_RASTER: |
| to->blacklevel_gr = 0; |
| to->blacklevel_r = 0; |
| to->blacklevel_b = 0; |
| to->blacklevel_gb = 0; |
| to->area_start_bq = from->start_position; |
| to->area_length_bq = |
| (from->end_position - from->start_position) + 1; |
| to->area_length_bq_inverse = AREA_LENGTH_UNIT / to->area_length_bq; |
| break; |
| default: |
| to->blacklevel_gr = 0; |
| to->blacklevel_r = 0; |
| to->blacklevel_b = 0; |
| to->blacklevel_gb = 0; |
| to->area_start_bq = 0; |
| to->area_length_bq = 0; |
| to->area_length_bq_inverse = 0; |
| break; |
| } |
| } |
| |
| void |
| ia_css_ob_vmem_encode( |
| struct sh_css_isp_ob_vmem_params *to, |
| const struct ia_css_ob_config *from, |
| const struct sh_css_isp_ob_stream_config *config, |
| unsigned size) |
| { |
| struct sh_css_isp_ob_params tmp; |
| struct sh_css_isp_ob_params *ob = &tmp; |
| |
| (void)size; |
| ia_css_ob_encode(&tmp, from, config, sizeof(tmp)); |
| |
| { |
| unsigned i; |
| unsigned sp_obarea_start_bq = ob->area_start_bq; |
| unsigned sp_obarea_length_bq = ob->area_length_bq; |
| unsigned low = sp_obarea_start_bq; |
| unsigned high = low + sp_obarea_length_bq; |
| uint16_t all_ones = ~0; |
| |
| for (i = 0; i < OBAREA_MASK_SIZE; i++) { |
| if (i >= low && i < high) |
| to->vmask[i/ISP_VEC_NELEMS][i%ISP_VEC_NELEMS] = all_ones; |
| else |
| to->vmask[i/ISP_VEC_NELEMS][i%ISP_VEC_NELEMS] = 0; |
| } |
| } |
| } |
| |
| void |
| ia_css_ob_dump( |
| const struct sh_css_isp_ob_params *ob, |
| unsigned level) |
| { |
| if (!ob) return; |
| ia_css_debug_dtrace(level, "Optical Black:\n"); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "ob_blacklevel_gr", ob->blacklevel_gr); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "ob_blacklevel_r", ob->blacklevel_r); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "ob_blacklevel_b", ob->blacklevel_b); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "ob_blacklevel_gb", ob->blacklevel_gb); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "obarea_start_bq", ob->area_start_bq); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "obarea_length_bq", ob->area_length_bq); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "obarea_length_bq_inverse", |
| ob->area_length_bq_inverse); |
| } |
| |
| |
| void |
| ia_css_ob_debug_dtrace( |
| const struct ia_css_ob_config *config, |
| unsigned level) |
| { |
| ia_css_debug_dtrace(level, |
| "config.mode=%d, " |
| "config.level_gr=%d, config.level_r=%d, " |
| "config.level_b=%d, config.level_gb=%d, " |
| "config.start_position=%d, config.end_position=%d\n", |
| config->mode, |
| config->level_gr, config->level_r, |
| config->level_b, config->level_gb, |
| config->start_position, config->end_position); |
| } |
| |